A FETI-DP Method for the Mortar Discretization of Elliptic Problems with Discontinuous Coefficients

  • Maksymilian Dryja
  • Wlodek Proskurowski
Conference paper
Part of the Lecture Notes in Computational Science and Engineering book series (LNCSE, volume 40)


Second order elliptic problems with discontinuous coefficients are considered. The problem is discretized by the finite element method on geometrically conforming non-matching triangulations across the interface using the mortar technique. The resulting discrete problem is solved by a FETI-DP method. We prove that the method is convergent and its rate of convergence is almost optimal and independent of the jumps of coefficients. Numerical experiments for the case of four subregions are reported. They confirm the theoretical results.


Elliptic Problem Discrete Problem Common Vertex Domain Decomposition Method Discontinuous Coefficient 
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Copyright information

© Springer-Verlag Berlin Heidelberg 2005

Authors and Affiliations

  • Maksymilian Dryja
    • 1
  • Wlodek Proskurowski
    • 2
  1. 1.Mathematics, Informatics and MechanicsWarsaw UniversityWarsaw
  2. 2.MathematicsUniversity of Southern California

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